Land vehicles: dumping – Tilting – Operating mechanism
Patent
1994-01-27
1995-11-21
Huppert, Michael S.
Land vehicles: dumping
Tilting
Operating mechanism
254326, B60P 114
Patent
active
054680549
ABSTRACT:
A trailer assembly adapted to pivot with respect to the horizontal comprising a trailer frame, the trailer frame adapted to be connected to a towing vehicle; a trailer bed, the rearward end of the trailer bed being pivotally connected to the rearward end of the trailer frame; a lifting ramp coupled to the trailer frame, the lifting ramp extending along the trailer frame, from the upper portion and forward end of the trailer frame to below the lower portion and rearward end of the trailer frame; a lifting assembly including a lifting arm, a pivotal connection assembly connecting the upper end of the arm and the lower surface of the trailer bed at its forward end, a wheel connected to the lower end of the lifting arm, the wheel adapted to ride along the upper surface of the lifting ramp, a pulley arm coupled to the lower end of the lifting arm with a pulley connected to the forward end of the pulley arm; a cord having an end anchored to the forward end of the lifting ramp, the pulley adapted to ride along the length of cord intermediate its ends; and a winch assembly positioned at the forward end of the trailer frame, the winch assembly having a spool with a first end with a first peripheral edge and a second end with a second peripheral edge, the second end of the length of cord coupled to the spool.
REFERENCES:
patent: 1294173 (1919-02-01), Rose
patent: 4062592 (1977-12-01), Ordonez
patent: 4418959 (1983-12-01), Dunlap
Huppert Michael S.
Krizek Janice L.
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